http://www.andydoro.com/table/images/circuit.gif
There are four coils that sense EMF and light up some LEDs accordingly. However from some comments I have read, whoever made this has made some errors. So far here is what I have spotted:
1. No current limiting resistor for LED
2. R4 is wasting power, it should be removed
Anything else? Thanks!
There are four coils that sense EMF and light up some LEDs accordingly. However from some comments I have read, whoever made this has made some errors. So far here is what I have spotted:
1. No current limiting resistor for LED
2. R4 is wasting power, it should be removed
Anything else? Thanks!